22254445200 has 120 divisors (see below), whose sum is σ = 76772183488. Its totient is φ = 5478013440.

The previous prime is 22254445193. The next prime is 22254445201. The reversal of 22254445200 is 254445222.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22254445201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697684 + ... + 728883.

Almost surely, 2^22254445200 is an apocalyptic number.

22254445200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22254445200 is an abundant number, since it is smaller than the sum of its proper divisors (54517738288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22254445200 is a wasteful number, since it uses less digits than its factorization.

22254445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426601 (or 1426590 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 22254445200 in words is "twenty-two billion, two hundred fifty-four million, four hundred forty-five thousand, two hundred".